private void RefreshSelectionOIDs(IEnumerable <long> oids)
 {
     FieldAttributes.Clear();
     SetProperty(ref _selectedOID, null, () => SelectedOID);
     LayerSelection.Clear();
     lock (_lock)
     {
         foreach (var oid in oids)
         {
             LayerSelection.Add(oid);
         }
     }
 }